public void AddingItemsShouldChangeTheContentHash(string[] toAdd)
{
PexAssume.IsNotNull(toAdd);
PexAssume.AreElementsNotNull(toAdd);
PexAssume.IsTrue(toAdd.Length > 0);
(new TestScheduler()).With(sched => {
var fixture = new SerializedCollection <ModelTestFixture>();
var hashes = new List <Guid>();
int changeCount = 0;
fixture.Changed.Subscribe(_ => {
hashes.Add(fixture.ContentHash);
changeCount++;
});
foreach (var v in toAdd)
{
fixture.Add(new ModelTestFixture()
{
TestString = v
});
sched.Start();
}
PexAssert.AreDistinctValues(hashes.ToArray());
PexAssert.AreEqual(toAdd.Length, fixture.Count);
PexAssert.AreEqual(toAdd.Uniq().Count(), changeCount);
});
}
public void RemovingItemsShouldChangeTheContentHash(string[] initialContents, int[] itemsToRemove)
{
PexAssume.IsNotNullOrEmpty(initialContents);
PexAssume.IsNotNullOrEmpty(itemsToRemove);
PexAssume.AreDistinctValues(initialContents);
PexAssume.AreDistinctValues(itemsToRemove);
PexAssume.TrueForAll(itemsToRemove, x => x < initialContents.Length && x > 0);
(new TestScheduler()).With(sched => {
var fixture = new SerializedCollection <ModelTestFixture>(initialContents.Select(x => new ModelTestFixture()
{
TestString = x
}));
var hashes = new List <Guid>();
int changeCount = 0;
fixture.Changed.Subscribe(_ => {
changeCount++;
hashes.Add(fixture.ContentHash);
});
var toRemove = itemsToRemove.Select(x => fixture[x]);
foreach (var v in toRemove)
{
fixture.Remove(v);
}
sched.Start();
PexAssert.AreDistinctValues(hashes.ToArray());
PexAssert.AreEqual(itemsToRemove.Length, changeCount);
});
}
public void GuidsShouldBeUniqueForContent(string[] setters)
{
PexAssume.IsNotNull(setters);
PexAssume.AreElementsNotNull(setters);
(new TestScheduler()).With(sched => {
var fixture = new ModelTestFixture();
var output = new Dictionary <string, Guid>();
setters.ToObservable(sched).Subscribe(x => {
fixture.TestString = x;
output[x] = fixture.ContentHash;
});
sched.Start();
PexAssert.AreDistinctValues(output.Values.ToArray());
});
}
